@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#0d1117;--navy2:#161b22;--navy3:#21262d;--blue:#00b4d8;--blue2:#0096c7;--white:#f0f6fc;--gray:#8b949e;--light:#c9d1d9;--radius:10px;--shadow:0 4px 24px rgba(0,180,216,.15);--tr:.25s ease}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--navy);color:var(--white);line-height:1.7;min-height:100vh}
a{color:var(--blue);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--blue2)}
img{max-width:100%;border-radius:var(--radius)}

/* NAVBAR */
.navbar{position:sticky;top:0;z-index:100;background:rgba(13,17,23,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--navy3);padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.15rem;font-weight:800;color:var(--white);display:flex;align-items:center;gap:.5rem}
.logo span{color:var(--blue)}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{color:var(--light);font-weight:500;font-size:.93rem;padding:.25rem 0;border-bottom:2px solid transparent;transition:all var(--tr)}
.nav-links a:hover,.nav-links a.active{color:var(--blue);border-bottom-color:var(--blue)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:26px;height:2px;background:var(--white);border-radius:2px;transition:var(--tr)}

/* HERO */
.hero{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:4rem 2rem;background:radial-gradient(ellipse at 60% 0%,rgba(0,180,216,.12) 0%,transparent 65%),radial-gradient(ellipse at 10% 90%,rgba(0,150,199,.08) 0%,transparent 60%);position:relative;overflow:hidden}
.hero-content{position:relative;max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(0,180,216,.12);border:1px solid rgba(0,180,216,.3);color:var(--blue);border-radius:50px;padding:.35rem 1rem;font-size:.82rem;font-weight:600;letter-spacing:.04em;margin-bottom:1.2rem}
.hero h1{font-size:clamp(2rem,5.5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:.6rem}
.hero h1 em{color:var(--blue);font-style:normal}
.hero .subtitle{font-size:1.05rem;color:var(--blue);font-weight:600;margin-bottom:.8rem}
.hero p{font-size:1.05rem;color:var(--light);max-width:620px;margin:0 auto 2rem}
.hero-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--blue);color:var(--navy);font-weight:700;font-size:.92rem;padding:.7rem 1.6rem;border-radius:50px;border:none;cursor:pointer;transition:all var(--tr);box-shadow:0 0 20px rgba(0,180,216,.25)}
.btn:hover{background:var(--blue2);color:var(--navy);transform:translateY(-2px);box-shadow:0 0 32px rgba(0,180,216,.4)}
.btn-outline{background:transparent;color:var(--blue);border:2px solid var(--blue);box-shadow:none}
.btn-outline:hover{background:rgba(0,180,216,.1);color:var(--blue)}
.btn-sm{padding:.45rem 1.1rem;font-size:.84rem}

/* SECTIONS */
section{padding:4.5rem 2rem}
.section-inner{max-width:1100px;margin:0 auto}
.section-title{font-size:1.8rem;font-weight:800;margin-bottom:.4rem}
.section-title span{color:var(--blue)}
.section-sub{color:var(--gray);margin-bottom:2.5rem;font-size:.97rem}
.divider{width:44px;height:3px;background:var(--blue);border-radius:2px;margin:.6rem 0 2rem}

/* CARDS */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.4rem}
.card{background:var(--navy2);border:1px solid var(--navy3);border-radius:var(--radius);padding:1.6rem;transition:all var(--tr);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform var(--tr)}
.card:hover{transform:translateY(-4px);border-color:rgba(0,180,216,.3);box-shadow:var(--shadow)}
.card:hover::before{transform:scaleX(1)}
.card-icon{font-size:1.8rem;margin-bottom:.8rem}
.card-tag{display:inline-block;background:rgba(0,180,216,.12);color:var(--blue);border-radius:50px;padding:.2rem .8rem;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:.8rem}
.card h3{font-size:1.08rem;font-weight:700;margin-bottom:.5rem;color:var(--white)}
.card p{color:var(--gray);font-size:.91rem;line-height:1.65;margin-bottom:1rem}
.card-meta{color:var(--gray);font-size:.8rem;margin-bottom:.8rem}
.card-link{color:var(--blue);font-weight:600;font-size:.88rem;display:inline-flex;align-items:center;gap:.35rem;transition:gap var(--tr)}
.card-link:hover{gap:.6rem}

/* SKILLS */
.skills-wrap{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1rem}
.skill-badge{background:var(--navy3);border:1px solid rgba(0,180,216,.22);color:var(--light);border-radius:50px;padding:.32rem .85rem;font-size:.8rem;font-weight:600;transition:all var(--tr)}
.skill-badge:hover{background:rgba(0,180,216,.12);border-color:var(--blue);color:var(--blue)}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1.9fr;gap:3.5rem;align-items:start;margin-top:2.5rem}
.avatar-wrap{text-align:center}
.avatar{width:160px;height:160px;border-radius:50%;background:var(--navy3);border:3px solid var(--blue);display:flex;align-items:center;justify-content:center;font-size:4.5rem;margin:0 auto 1.2rem;box-shadow:0 0 36px rgba(0,180,216,.2)}
.about-name{font-size:1.4rem;font-weight:800;margin-bottom:.25rem}
.about-role{color:var(--blue);font-size:.9rem;font-weight:600;margin-bottom:.2rem}
.about-company{color:var(--light);font-size:.88rem;font-weight:500;margin-bottom:.3rem}
.about-loc{color:var(--gray);font-size:.84rem}
.about-social{display:flex;flex-direction:column;gap:.6rem;margin-top:1.5rem}
.social-btn{display:flex;align-items:center;gap:.75rem;background:var(--navy3);border:1px solid rgba(0,180,216,.2);border-radius:var(--radius);padding:.75rem 1.2rem;color:var(--light);font-weight:500;font-size:.88rem;transition:all var(--tr)}
.social-btn i{color:var(--blue);width:18px}
.social-btn:hover{border-color:rgba(0,180,216,.45);color:var(--white);transform:translateX(3px)}
.about-bio p{color:var(--light);font-size:.97rem;line-height:1.85;margin-bottom:1.1rem}
.h3-label{font-size:1.05rem;font-weight:700;color:var(--blue);margin:1.8rem 0 .8rem;display:flex;align-items:center;gap:.5rem}

/* TIMELINE */
.timeline{position:relative;padding-left:2.5rem;margin-top:2rem}
.timeline::before{content:'';position:absolute;left:.6rem;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--blue),rgba(0,180,216,.1))}
.timeline-item{position:relative;margin-bottom:2.4rem;opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
.timeline-item.visible{opacity:1;transform:translateY(0)}
.timeline-dot{position:absolute;left:-2.15rem;top:.3rem;width:14px;height:14px;border-radius:50%;background:var(--blue);border:3px solid var(--navy);box-shadow:0 0 10px rgba(0,180,216,.5)}
.timeline-dot.old{background:var(--navy3);border-color:var(--gray)}
.tl-company{font-size:.78rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.15rem}
.tl-role{font-size:1.05rem;font-weight:700;color:var(--white);margin-bottom:.2rem}
.tl-meta{font-size:.8rem;color:var(--gray);margin-bottom:.7rem;display:flex;gap:1rem;flex-wrap:wrap}
.tl-meta i{color:var(--blue);margin-right:.3rem}
.tl-activities{list-style:none;padding:0}
.tl-activities li{color:var(--light);font-size:.89rem;padding:.2rem 0 .2rem 1rem;position:relative;line-height:1.6}
.tl-activities li::before{content:'▸';position:absolute;left:0;color:var(--blue)}

/* EDUCATION */
.edu-list{display:flex;flex-direction:column;gap:1rem;margin-top:.5rem}
.edu-item{background:var(--navy2);border:1px solid var(--navy3);border-radius:var(--radius);padding:1.2rem 1.5rem;display:flex;gap:1rem;align-items:flex-start;transition:border-color var(--tr)}
.edu-item:hover{border-color:rgba(0,180,216,.3)}
.edu-icon{font-size:1.6rem;min-width:36px}
.edu-school{font-size:.78rem;color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.edu-degree{font-size:1rem;font-weight:700;color:var(--white);margin:.15rem 0}
.edu-period{font-size:.82rem;color:var(--gray)}

/* CERTS */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.1rem;margin-top:.5rem}
.cert-card{background:var(--navy2);border:1px solid var(--navy3);border-radius:var(--radius);padding:1.2rem 1.4rem;transition:all var(--tr)}
.cert-card:hover{border-color:rgba(0,180,216,.35);transform:translateY(-3px)}
.cert-issuer{font-size:.75rem;color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.3rem}
.cert-name{font-size:.95rem;font-weight:700;color:var(--white);margin-bottom:.3rem}
.cert-date{font-size:.8rem;color:var(--gray)}
.cert-id{font-size:.75rem;color:var(--gray);font-family:monospace;margin-top:.2rem}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-size:.86rem;color:var(--light);margin-bottom:.4rem;font-weight:600}
.form-group input,.form-group textarea{width:100%;background:var(--navy2);border:1px solid var(--navy3);border-radius:var(--radius);padding:.75rem 1rem;color:var(--white);font-family:'Inter',sans-serif;font-size:.93rem;transition:border-color var(--tr);resize:vertical}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--blue)}
.contact-info{display:flex;flex-direction:column;gap:.9rem}
.contact-item{display:flex;align-items:center;gap:1rem;background:var(--navy2);border:1px solid var(--navy3);border-radius:var(--radius);padding:.9rem 1.3rem;color:var(--light);font-weight:500;transition:all var(--tr)}
.contact-item i{font-size:1.2rem;color:var(--blue);width:20px}
.contact-item:hover{border-color:rgba(0,180,216,.4);color:var(--white);transform:translateX(4px)}
.contact-item-text{font-size:.88rem}
.contact-item-label{font-weight:700;color:var(--white);font-size:.92rem}

/* FOOTER */
footer{background:var(--navy2);border-top:1px solid var(--navy3);padding:2.2rem 2rem;text-align:center}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-social{display:flex;justify-content:center;gap:1rem;margin-bottom:1rem}
.footer-social a{width:38px;height:38px;border-radius:50%;background:var(--navy3);color:var(--gray);display:flex;align-items:center;justify-content:center;transition:all var(--tr)}
.footer-social a:hover{background:rgba(0,180,216,.15);color:var(--blue)}
footer p{color:var(--gray);font-size:.83rem}
footer p span{color:var(--blue)}

/* RESPONSIVE */
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{display:none;flex-direction:column;gap:0;position:absolute;top:64px;left:0;right:0;background:var(--navy2);border-bottom:1px solid var(--navy3);padding:1rem 0}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:.7rem 2rem}
  .navbar{position:relative}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .cards-grid{grid-template-columns:1fr}
  .timeline{padding-left:1.8rem}
}